Write an equation for the ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Graph the exponential function.y = 
x 
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.x + 3y - 2z - w = 104x + y + z + 2w = 33-3x - y - 3z - 2w = -33 x - y - 3z -2w = -17
A. x = 3, y = 7, z = -2, w = 7 B. x = 4, y = 5, z = 2, w = 5 C. x = 10, y = 33, z = -33, w = -17 D. Inconsistent
Mathematics
Find dy.y = 9
+ 
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Mathematics
Provide the proper response.If an ellipse has vertices at (-4, 0), (4, 0), (0, 5), and (0, -5), what is its domain? What is its range?
A. Domain: [-5, 5]; Range: [-4, 4] B. Domain: [0, 4]; Range: [0, 5] C. Domain: [-4, 5]; Range: [-5, 4] D. Domain: [-4, 4]; Range: [-5, 5]
Mathematics